Home / 697,389.72-1,046,084.64-276,665.64

Finding the Fourth Proportional to 697,389.72, 1,046,084.64 and 276,665.64

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Solution

The fourth proportional to 697,389.72, 1,046,084.64 and 276,665.64 is: 414,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,389.72 : 1,046,084.64 = 276,665.64 : x
  2. Step 2: Convert to fraction form
    697,389.72/1,046,084.64 = 276,665.64/x
  3. Step 3: Cross multiply
    697,389.72x = 1,046,084.64 × 276,665.64
  4. Step 4: Simplify right side
    697,389.72x = 289,415,676,419.77
  5. Step 5: Solve for x
    x = 289,415,676,419.77/697,389.72
  6. Step 6: Final answer
    x = 414,998.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.